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Fencer Vulns
high 7.5

CVE-2026-46862 json

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General).

published 2026-06-16 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-37355

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Patch / fix

  • mysql-8.0 Ubuntu 22.04 LTS 8.0.46-0ubuntu0.22.04.3
  • mysql-8.0 Ubuntu 24.04 LTS 8.0.46-0ubuntu0.24.04.3
  • mysql-8.4 Ubuntu 25.10 8.4.10-0ubuntu0.25.10.1
  • mysql-8.4 Ubuntu 26.04 LTS 8.4.10-0ubuntu0.26.04.1
  • mysql-8.0 Ubuntu Pro 20.04 LTS 8.0.46-0ubuntu0.20.04.1+esm3

ubuntu advisories UBUNTU-CVE-2026-46862

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Oracle Corporation MySQL Router

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.